Final answer:
To repair tears on the CWU-66 and 77P aircrew chemical ensemble, the edges must overlap by approximately 1/4 inch (0.635 cm) for a secure and durable mend.
Step-by-step explanation:
Repairing Tears on the CWU-66 and 77P Aircrew Chemical Ensemble
When repairing tears on the CWU-66 and 77P aircrew chemical ensemble, the edges must overlap by a specific amount. The exact measurement is not provided in the given information. However, it is common practice in sewing and repairing fabrics to overlap the edges by around 1/4 inch (0.635 cm) to ensure a secure and durable mend. Please note that this measurement may vary depending on the specific repair instructions provided by the manufacturer or the repair guidelines followed by the individual performing the repair.